must disgruntle
Verbe régulier : disgruntle - disgruntled- disgruntled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must disgruntle
you must disgruntle
he must disgruntle
we must disgruntle
you must disgruntle
they must disgruntle 	I must be disgruntling
you must be disgruntling
he must be disgruntling
we must be disgruntling
you must be disgruntling
they must be disgruntling	I must have disgruntled
you must have disgruntled
he must have disgruntled
we must have disgruntled
you must have disgruntled
they must have disgruntled	I must have been disgruntling
you must have been disgruntling
he must have been disgruntling
we must have been disgruntling
you must have been disgruntling
they must have been disgruntling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't disgruntle
you mustn't disgruntle
he mustn't disgruntle
we mustn't disgruntle
you mustn't disgruntle
they mustn't disgruntle 	I mustn't be disgruntling
you mustn't be disgruntling
he mustn't be disgruntling
we mustn't be disgruntling
you mustn't be disgruntling
they mustn't be disgruntling	I mustn't have disgruntled
you mustn't have disgruntled
he mustn't have disgruntled
we mustn't have disgruntled
you mustn't have disgruntled
they mustn't have disgruntled	I mustn't have been disgruntling
you mustn't have been disgruntling
he mustn't have been disgruntling
we mustn't have been disgruntling
you mustn't have been disgruntling
they mustn't have been disgruntling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I disgruntle?
must you disgruntle?
must he disgruntle?
must we disgruntle?
must you disgruntle?
must they disgruntle? 	must I be disgruntling?
must you be disgruntling?
must he be disgruntling?
must we be disgruntling?
must you be disgruntling?
must they be disgruntling? 	must I have disgruntled?
must you have disgruntled?
must he have disgruntled?
must we have disgruntled?
must you have disgruntled?
must they have disgruntled? 	must I have been disgruntling?
must you have been disgruntling?
must he have been disgruntling?
must we have been disgruntling?
must you have been disgruntling?
must they have been disgruntling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I disgruntle?
mustn't you disgruntle?
mustn't he disgruntle?
mustn't we disgruntle?
mustn't you disgruntle?
mustn't they disgruntle? 	mustn't I be disgruntling?
mustn't you be disgruntling?
mustn't he be disgruntling?
mustn't we be disgruntling?
mustn't you be disgruntling?
mustn't they be disgruntling? 	mustn't I have disgruntled?
mustn't you have disgruntled?
mustn't he have disgruntled?
mustn't we have disgruntled?
mustn't you have disgruntled?
mustn't they have disgruntled? 	mustn't I have been disgruntling?
mustn't you have been disgruntling?
mustn't he have been disgruntling?
mustn't we have been disgruntling?
mustn't you have been disgruntling?
mustn't they have been disgruntling?